Distribution Transformer


Distribution Transformers: Efficient Power Delivery for Industrial and Commercial Use

Our distribution transformers are engineered for efficient and reliable power delivery across industrial, commercial, and utility applications.

Designed to minimize energy loss and ensure stable voltage, these transformers support optimal performance for a variety of equipment and machinery. Constructed with high-quality materials and equipped with advanced insulation and cooling systems, they deliver robust performance in diverse environments.

With customizable voltage and capacity options, our distribution transformers meet unique operational demands, enhancing energy efficiency and lowering operational costs.

ADVANTAGES :

  • High energy efficiency
  • Reliable voltage regulation
  • Durable for harsh environments
  • Low maintenance requirements
  • Customizable capacity options
  • Enhanced safety and insulation

Product Specification

         Power Rating

  • Range: Commonly between 5 kVA to 2500 kVA for smaller transformers; larger distribution transformers can go up to 5000 kVA.
  • Phase: Usually single-phase (up to 100 kVA) or three-phase for larger capacities.

         Voltage Levels

  • Primary Voltage: 11 kV, 22 kV, or 33 kV (depending on the network standard)
  • Secondary Voltage: Typically 400/415 V (three-phase) or 230 V (single-phase)

         Insulation and Cooling

  • Cooling Type: Mostly ONAN (Oil Natural Air Natural) for outdoor or pole-mounted units, or dry-type for indoor installations.
  • Insulation: Oil-insulated transformers are common, with mineral oil or other insulating fluids; some use epoxy insulation for dry-type.

        Impedance

  • Typical Range: 4-6% to limit fault currents and maintain voltage regulation within acceptable limits.

        Protection and Safety Features

  • Buchholz Relay: For internal fault detection in oil-filled transformers
  • Pressure Relief Valve: Releases excess pressure
  • Temperature Indicators: Oil and winding temperature indicators
  • Conservator Tank: Manages oil expansion due to temperature variations

 

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